#include <bits/stdc++.h>
// #include "atcoder/modint"

using i64 = long long;
// using Fp = atcoder::modint998244353;

i64 modPow(i64 a, i64 n, i64 mod) {
    i64 b = a, res = 1;
    while (n != 0) {
        if (n % 2 == 1) {
            res *= b;
            res %= mod;
        }
        b *= b;
        b %= mod;
        n /= 2;
    }
    return res;
}

int main() {
    int N;
    i64 M;
    i64 B;
    std::cin >> N >> M >> B;
    std::vector<i64> A(N);
    for (auto &e : A) std::cin >> e;
    M %= B;
    std::vector<i64> dp(N + 1);
    dp[0] = 1;
    for (int i = 0; i < N; ++i) {
        dp[i + 1] = dp[i] + dp[i] * modPow(M, A[i], B);
        dp[i + 1] %= B;
    }
    std::cout << dp[N] << std::endl;
}